184 lines
5.7 KiB
C
184 lines
5.7 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "pinmux.h"
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#include <device/mmio.h>
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static struct am335x_pinmux_regs *regs =
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(struct am335x_pinmux_regs *)(uintptr_t)AM335X_PINMUX_REG_ADDR;
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void am335x_pinmux_uart0(void)
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{
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write32(®s->uart0_rxd, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->uart0_txd, MODE(0) | PULLUDEN);
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}
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void am335x_pinmux_uart1(void)
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{
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write32(®s->uart1_rxd, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->uart1_txd, MODE(0) | PULLUDEN);
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}
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void am335x_pinmux_uart2(void)
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{
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// UART2_RXD
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write32(®s->spi0_sclk, MODE(1) | PULLUP_EN | RXACTIVE);
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// UART2_TXD
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write32(®s->spi0_d0, MODE(1) | PULLUDEN);
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}
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void am335x_pinmux_uart3(void)
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{
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// UART3_RXD
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write32(®s->spi0_cs1, MODE(1) | PULLUP_EN | RXACTIVE);
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// UART3_TXD
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write32(®s->ecap0_in_pwm0_out, MODE(1) | PULLUDEN);
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}
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void am335x_pinmux_uart4(void)
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{
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// UART4_RXD
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write32(®s->gpmc_wait0, MODE(6) | PULLUP_EN | RXACTIVE);
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// UART4_TXD
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write32(®s->gpmc_wpn, MODE(6) | PULLUDEN);
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}
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void am335x_pinmux_uart5(void)
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{
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// UART5_RXD
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write32(®s->lcd_data9, MODE(4) | PULLUP_EN | RXACTIVE);
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// UART5_TXD
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write32(®s->lcd_data8, MODE(4) | PULLUDEN);
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}
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void am335x_pinmux_mmc0(int cd, int sk_evm)
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{
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write32(®s->mmc0_dat0, MODE(0) | RXACTIVE | PULLUP_EN);
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write32(®s->mmc0_dat1, MODE(0) | RXACTIVE | PULLUP_EN);
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write32(®s->mmc0_dat2, MODE(0) | RXACTIVE | PULLUP_EN);
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write32(®s->mmc0_dat3, MODE(0) | RXACTIVE | PULLUP_EN);
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write32(®s->mmc0_clk, MODE(0) | RXACTIVE | PULLUP_EN);
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write32(®s->mmc0_cmd, MODE(0) | RXACTIVE | PULLUP_EN);
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if (!sk_evm) {
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// MMC0_WP
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write32(®s->mcasp0_aclkr, MODE(4) | RXACTIVE);
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}
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if (cd) {
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// MMC0_CD
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write32(®s->spi0_cs1, MODE(5) | RXACTIVE | PULLUP_EN);
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}
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}
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void am335x_pinmux_mmc1(void)
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{
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// MMC1_DAT0
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write32(®s->gpmc_ad0, MODE(1) | RXACTIVE | PULLUP_EN);
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// MMC1_DAT1
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write32(®s->gpmc_ad1, MODE(1) | RXACTIVE | PULLUP_EN);
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// MMC1_DAT2
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write32(®s->gpmc_ad2, MODE(1) | RXACTIVE | PULLUP_EN);
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// MMC1_DAT3
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write32(®s->gpmc_ad3, MODE(1) | RXACTIVE | PULLUP_EN);
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// MMC1_CLK
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write32(®s->gpmc_csn1, MODE(2) | RXACTIVE | PULLUP_EN);
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// MMC1_CMD
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write32(®s->gpmc_csn2, MODE(2) | RXACTIVE | PULLUP_EN);
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// MMC1_WP
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write32(®s->gpmc_csn0, MODE(7) | RXACTIVE | PULLUP_EN);
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// MMC1_CD
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write32(®s->gpmc_advn_ale, MODE(7) | RXACTIVE | PULLUP_EN);
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}
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void am335x_pinmux_i2c0(void)
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{
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write32(®s->i2c0_sda, MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL);
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write32(®s->i2c0_scl, MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL);
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}
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void am335x_pinmux_i2c1(void)
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{
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// I2C_DATA
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write32(®s->spi0_d1, MODE(2) | RXACTIVE | PULLUDEN | SLEWCTRL);
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// I2C_SCLK
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write32(®s->spi0_cs0, MODE(2) | RXACTIVE | PULLUDEN | SLEWCTRL);
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}
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void am335x_pinmux_spi0(void)
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{
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write32(®s->spi0_sclk, MODE(0) | RXACTIVE | PULLUDEN);
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write32(®s->spi0_d0, MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN);
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write32(®s->spi0_d1, MODE(0) | RXACTIVE | PULLUDEN);
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write32(®s->spi0_cs0, MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN);
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}
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void am335x_pinmux_gpio0_7(void)
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{
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write32(®s->ecap0_in_pwm0_out, MODE(7) | PULLUDEN);
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}
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void am335x_pinmux_rgmii1(void)
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{
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write32(®s->mii1_txen, MODE(2));
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write32(®s->mii1_rxdv, MODE(2) | RXACTIVE);
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write32(®s->mii1_txd0, MODE(2));
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write32(®s->mii1_txd1, MODE(2));
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write32(®s->mii1_txd2, MODE(2));
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write32(®s->mii1_txd3, MODE(2));
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write32(®s->mii1_txclk, MODE(2));
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write32(®s->mii1_rxclk, MODE(2) | RXACTIVE);
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write32(®s->mii1_rxd0, MODE(2) | RXACTIVE);
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write32(®s->mii1_rxd1, MODE(2) | RXACTIVE);
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write32(®s->mii1_rxd2, MODE(2) | RXACTIVE);
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write32(®s->mii1_rxd3, MODE(2) | RXACTIVE);
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}
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void am335x_pinmux_mii1(void)
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{
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write32(®s->mii1_rxerr, MODE(0) | RXACTIVE);
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write32(®s->mii1_txen, MODE(0));
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write32(®s->mii1_rxdv, MODE(0) | RXACTIVE);
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write32(®s->mii1_txd0, MODE(0));
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write32(®s->mii1_txd1, MODE(0));
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write32(®s->mii1_txd2, MODE(0));
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write32(®s->mii1_txd3, MODE(0));
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write32(®s->mii1_txclk, MODE(0) | RXACTIVE);
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write32(®s->mii1_rxclk, MODE(0) | RXACTIVE);
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write32(®s->mii1_rxd0, MODE(0) | RXACTIVE);
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write32(®s->mii1_rxd1, MODE(0) | RXACTIVE);
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write32(®s->mii1_rxd2, MODE(0) | RXACTIVE);
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write32(®s->mii1_rxd3, MODE(0) | RXACTIVE);
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write32(®s->mdio_data, MODE(0) | RXACTIVE | PULLUP_EN);
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write32(®s->mdio_clk, MODE(0) | PULLUP_EN);
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}
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void am335x_pinmux_nand(void)
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{
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write32(®s->gpmc_ad0, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_ad1, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_ad2, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_ad3, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_ad4, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_ad5, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_ad6, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_ad7, MODE(0) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_wait0, MODE(0) | RXACTIVE | PULLUP_EN);
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write32(®s->gpmc_wpn, MODE(7) | PULLUP_EN | RXACTIVE);
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write32(®s->gpmc_csn0, MODE(0) | PULLUDEN);
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write32(®s->gpmc_advn_ale, MODE(0) | PULLUDEN);
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write32(®s->gpmc_oen_ren, MODE(0) | PULLUDEN);
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write32(®s->gpmc_wen, MODE(0) | PULLUDEN);
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write32(®s->gpmc_be0n_cle, MODE(0) | PULLUDEN);
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}
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